To this end, an aspect of the present invention provides a thermal fusion device comprising: a first plate; a second plate disposed to face the first plate with a laminate interposed therebetween; a pressing block disposed opposite the laminate with at least one of the first plate and the second plate interposed therebetween; and a connector for fastening the first plate, the second plate, and the pressing block. The coefficient of linear expansion of the pressing block is greater than the coefficient of linear expansion of the laminate.
B32B 37/10 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par la technique de pressage, p. ex. faisant usage de l'action directe du vide ou d'un fluide sous pression
B32B 37/04 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par la fusion partielle d'au moins une couche
B32B 37/06 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par le procédé de chauffage
H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
The present invention relates to a wire rod and a method for manufacturing same and, more specifically, to a wire rod and a method for manufacturing same, the wire rod containing, in wt%, 0.600-1.000% of carbon (C), 1.500-1.990% of silicon (Si), 0.100-0.600% of manganese (Mn), 0.010-0.150% of sulfur (S), 0.005-0.020% of titanium (Ti), 0.003-0.015% of nitrogen (N), 0.005-0.050% of chromium (Cr), 0.005-0.050% of molybdenum (Mo), 0.005-0.150% of nickel (Ni), 0.005-0.150% of copper (Cu), 0.005-0.100% of aluminum (Al), and 0.005-0.050% of phosphorus (P), with the remainder comprising Fe and other impurities, and having a microstructure including graphite grains and ferrite.
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
C21D 9/573 - Fours continus pour bandes ou fils métalliques avec refroidissement
3.
HOT PRESS FORMED MEMBER AND METHOD FOR MANUFACTURING SAME
The present invention provides a hot press formed member, particularly a hot press formed member obtained from a non-plated steel sheet, and a method for manufacturing same.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/34 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de silicium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C21D 6/00 - Traitement thermique des alliages ferreux
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
4.
HIGH-STRENGTH AND HIGH-CORROSION-RESISTANT STEEL WIRE, AND MANUFACTURING METHOD THEREFOR
A steel wire according to one embodiment of the present invention can be a high-strength and high-corrosion-resistant steel wire comprising, by wt%, 0.50-0.75% of carbon (C), 0.5-0.9% of manganese (Mn), 0.2-0.5% of silicon (Si), 0.03-0.18% of molybdenum (Mo), and the balance of iron (Fe) and inevitable impurities, wherein an average diameter of a pearlite block of the steel wire is 25 μm or less, and a carbon content of cementite in pearlite is 18 at% or higher.
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
5.
COMPOSITION FOR SURFACE TREATING COLD-ROLLED STEEL SHEET, COLD-ROLLED STEEL SHEET SURFACE-TREATED USING SAME, AND MANUFACTURING METHOD THEREFOR
The present invention relates to a composition for surface treating a steel sheet and, more specifically, to a composition for surface treating a cold-rolled steel sheet, a cold-rolled steel sheet surface-treated using the composition, and a manufacturing method therefor.
C09K 3/18 - Substances non couvertes ailleurs à appliquer sur des surfaces pour y minimiser l'adhérence de la glace, du brouillard ou de l'eauSubstances antigel ou provoquant le dégel pour application sur des surfaces
One aspect of the present invention is to provide an apparatus and a method capable of effectively reducing welding residual stress without going through multiple post-welding processing steps after a weld is formed.
B23K 31/00 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux
B23K 37/003 - Moyens de refroidissement pour le soudage ou le découpage
A soft magnetic steel wire rod is provided, which comprises, in weight%, 0.0001 to 0.0300% of C, 0.001 to 3.000% of Si, 0.001 to 0.500% of Mn, 0.001 to 0.100% of Al, 0.0001 to 0.0100% of P, 0.0001 to 0.0100% of S, 0.0001 to 0.0100% of N, and the remainder being Fe and other inevitable impurities, wherein, after the soft magnetic steel wire rod is drawn at room temperature at a reduction ratio of 59% to 93%, the number density of shear bands of the steel wire is 11.4/mm2 or more.
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
C21D 9/573 - Fours continus pour bandes ou fils métalliques avec refroidissement
B21C 37/04 - Fabrication de tôles, barres, fils, tubes ou profilés métalliques ou de produits semi-finis similaires, non prévue ailleursFabrication de tubes de forme particulière des barres ou fils métalliques
8.
NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF
The present invention relates to a non-oriented electrical steel sheet used as a material for an iron core material of an electric power machine and, more specifically, to a non-oriented electrical steel sheet having excellent surface properties and electromagnetic properties, and a manufacturing method thereof.
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
The present invention provides a side member for a vehicle, which can increase energy absorption capacity by inducing a stable crushing shape and at the same time has a structure with high mass producibility, the side member comprising: a first tubular shape portion which extends in the lengthwise direction and has a hexagonal cross-sectional shape; a second tubular shape portion which is connected to the first tubular shape portion, extends in the lengthwise direction, and has a hexagonal cross-sectional shape; and welding portions which are formed on the outer walls of the first tubular shape portion and the second tubular shape portion, wherein the first tubular shape portion and the second tubular shape portion are integrally formed by bending a single first plate.
B21C 37/08 - Fabrication de tubes à joints soudés ou brasés
B21D 39/04 - Utilisation de procédés permettant d'assembler des objets ou des parties d'objets, p. ex. revêtement par des tôles, autrement que par placageDispositifs de mandrinage des tubes des tubes avec des tubesUtilisation de procédés permettant d'assembler des objets ou des parties d'objets, p. ex. revêtement par des tôles, autrement que par placageDispositifs de mandrinage des tubes des tubes avec des barres
B21D 5/01 - Cintrage des tôles le long de lignes droites, p. ex. pour former un pli simple entre des marteaux et des enclumes ou butées
B60R 25/02 - Équipements ou systèmes pour empêcher ou signaler l’usage non autorisé ou le vol de véhicules agissant sur des systèmes ou des équipements de véhicules, p. ex. sur les portes, les sièges ou les pare-brises agissant sur le mécanisme de direction
B62D 21/15 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée comportant des moyens amortisseurs de chocs, p. ex. châssis conçus pour changer de forme ou de dimensions d'une façon définitive ou temporaire à la suite d'une collision avec un autre corps
10.
MELT SURFACE FLOW CONTROL METHOD AND MELT SURFACE FLOW CONTROL DEVICE
mm) measured using the selected sensing member. Therefore, according to embodiments of the present invention, it is possible to suppress or prevent the flow of the molten steel melt surface from becoming unstable.
Embodiments of the present invention relate to a cover device which can open/close the opening of a ladle capable of accommodating molten steel, and which may comprise: a cover member which can be supported on or separated from the ladle such that the opening of the ladle can be opened and closed; and a protruding member extending downward from the lower surface of the cover member so as to be immersed in a slag layer floating on the molten steel. Therefore, according to embodiments of the present invention, an operation of destroying a solidified slag layer prior to a refining operation can be omitted. In addition, even if the operation of destroying the solidified slag layer is performed as necessary, the solidified slag layer can be more easily and more quickly destroyed than that destroyed by a conventional device. Therefore, refining operation time is shortened.
According to the present disclosure, an asymmetric rolling apparatus comprises: a small-diameter work roll that comes in contact with one surface of a material to be rolled; and a large-diameter work roll that comes in contact with the other surface of the material to be rolled and has a diameter larger than that of the small-diameter work roll, wherein the centers of the small-diameter work roll and the large-diameter work roll are arranged to be offset from each other. The small-diameter work roll is disposed such that the center thereof is eccentric from the center of the large-diameter work roll, so as to apply maximum shear deformation during rolling, thereby enabling productivity to be ensured.
B21B 1/22 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer des bandes ou des feuilles en longueurs indéfinies
B21B 37/58 - Commande de la force de laminageCommande de l'écartement des cylindres
B21B 13/00 - Cages de laminoirs, c.-à-d. ensembles composés d'un châssis, de cylindres et d’accessoires
H01F 1/147 - Alliages caractérisés par leur composition
According to the present disclosure, an asymmetric rolling apparatus comprises: a small-diameter work roll that comes into contact with one surface of a material to be rolled; and a large-diameter work roll that comes into contact with the other surface of the material to be rolled and has a larger diameter than the small-diameter work roll. The diameter of the small-diameter work roll is within 70-90 mm, and the diameter of the large-diameter work roll is within 2-5 times the diameter of the small-diameter work roll.
B21B 1/22 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer des bandes ou des feuilles en longueurs indéfinies
B21B 37/58 - Commande de la force de laminageCommande de l'écartement des cylindres
B21B 13/00 - Cages de laminoirs, c.-à-d. ensembles composés d'un châssis, de cylindres et d’accessoires
H01F 1/147 - Alliages caractérisés par leur composition
14.
IRON CORE FOR TRANSFORMER AND METHOD FOR MANUFACTURING SAME
The present invention relates to an iron core for a transformer having low no-load loss and a method for manufacturing same. According to an embodiment of the present invention, the iron core for a transformer comprises: a first stacking unit formed by stacking a plurality of electrical steel sheets in a first direction and positioned to form a continuous surface in a second direction intersecting the first direction; and a second stacking unit formed by stacking a plurality of electrical steel sheets in the first direction and positioned to form a continuous surface in a third direction intersecting the first direction and the second direction, wherein a coupling unit in which the first stacking unit and the second stacking unit are connected includes a stepped portion formed at a first end, which is an end of the electrical steel sheet included in the first stacking unit, and an accommodation unit in which a second end, which is an end of the electrical steel sheet included in the second stacking unit, is shape-coupled to the stepped portion, and the electrical steel sheets included in the first stacking unit and the second stacking unit are stacked in a step lap manner in the first direction.
H01F 27/245 - Noyaux magnétiques fabriqués à partir de tôles, p. ex. à grains orientés
H01F 27/26 - Fixation des parties du noyau entre ellesFixation ou montage du noyau dans l'enveloppe ou sur un support
H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
15.
LOW THERMAL EXPANSION STEEL AND METHOD FOR MANUFACTURING SAME
A low thermal expansion steel according to an embodiment of the present invention comprises, in weight %, C: 0.000% (exclusive) to 0.040% (inclusive), Si: 0.080% to 0.200% (both inclusive), Mn: 0.150% to 0.450% (both inclusive), P: 0.000% (exclusive) to 0.0030% (inclusive), S: 0.0000% (exclusive) to 0.0030% (inclusive), Cr: 0.00% (exclusive) to 2.00% (inclusive), Ni: 34.0% to 39.0% (both inclusive), Co: 0.000% (exclusive) to 0.400% (inclusive), with the balance being Fe and inevitable impurities, and satisfies the value of formula (1) 0.5×[Cr] − [Ni] − 2.7×[Mn] − 4×[Co] + 40 ranging from 0.00 to 4.00 (both inclusive).
C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
16.
IRON CORE FOR TRANSFORMER AND MANUFACTURING METHOD THEREOF
The present invention relates to an iron core for a transformer having low no-load loss and a manufacturing method thereof. The iron core for a transformer according to an embodiment of the present invention includes a core subpart in which multiple steel sheets are stacked and which includes a through-hole penetrating in a stacking direction, wherein a direction intersecting the stacking direction is defined as a first direction and a direction intersecting the stacking direction and the first direction is defined as a second direction, and a ratio (D/W) of a diameter (D) to a width (W) of the through-hole is 0.02 to 0.20 under the assumption that a shorter length is defined as a width (W) when comparing a length in the first direction and a length in the second direction in the core subpart.
H01F 27/245 - Noyaux magnétiques fabriqués à partir de tôles, p. ex. à grains orientés
H01F 27/26 - Fixation des parties du noyau entre ellesFixation ou montage du noyau dans l'enveloppe ou sur un support
H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
A tube for a transportation system is disclosed. The tube for a transportation system according to one embodiment comprises a plurality of segments disposed along the circumference of a traveling path of a traveling body and connected to each other to form a traveling space in which the traveling body can travel, wherein each of the segments comprises: a segmented panel surrounding the circumference of the traveling space on a cross section orthogonal to the traveling path; and a reinforcing member including a first reinforcing part extending from the segmented panel toward the traveling space and a second reinforcing part extending from the first reinforcing part in a direction intersecting the extension direction of the first reinforcing part.
A tube for a transportation system, according to the present disclosure, comprises: a first pipe having a first cut portion of which the width in the vertical direction perpendicular to the lengthwise direction is gradually reduced along the lengthwise direction; and a second pipe having a second cut portion having a shape corresponding to the first cut portion. The first pipe and the second pipe are coupled such that the first cut portion and the second cut portion face each other.
Embodiments of the present disclosure relate to a nozzle engagement device and method in which image information having a preset range of wavelength blocked is received using one or more cameras, a first nozzle and a second nozzle are identified on the basis of the image information, position information of the first nozzle and position information of the second nozzle are calculated on the basis of the image information, position difference information is calculated on the basis of the position information of the first nozzle and the position information of the second nozzle, whether the position difference information satisfies a preset criterion is determined, and either the first nozzle or the second nozzle is moved or the first nozzle and the second nozzle are engaged on the basis of the position difference information according to whether the position difference information satisfies the preset criterion.
The present invention relates to a hot formed part for use in components such as automotive structural members and reinforcements, and to a manufacturing method thereof.
Provided are a device and a method for detecting an anomaly of an electrode rod through the steps of: collecting time series data from a plurality of sensors used for process monitoring of an electric furnace; reconstructing input time series data of a predetermined size by using a reconstruction-based artificial neural network model; calculating a reconstruction error between the input time series data and the reconstructed time series data; and determining, on the basis of the reconstruction error, whether the electrode rod is damaged.
F27B 3/28 - Aménagement des dispositifs de commande, de surveillance, d'alarme ou des dispositifs similaires
F27B 3/08 - Fours à sole, p. ex. fours à réverbérationFours à arc électrique à chauffage électrique, p. ex. fours à arc électrique, avec ou sans une autre source de chaleur
A sub material feeding device of an electric furnace and an electric furnace having same are disclosed. The sub material feeding device of an electric furnace, according to one embodiment, comprises: a chute that supplies sub material to a sub material input port provided in a roof of an electric furnace body from above the sub material input port; and a sub material feeder that supplies the sub material to the chute from above the chute, wherein the chute includes: an upper inlet that receives the sub material from the sub material feeder; a lower outlet that supplies the sub material to the sub material input port; and a connecting portion that connects and provides communication between the inlet and the outlet, wherein the outlet is configured to be ventilated in a vertical direction, and the connecting portion communicates with the outlet through a side surface of the outlet and is provided with an injection port for injecting air downward, wherein the injection port may include a first injection port disposed in an upper region of the connecting portion.
A method for monitoring a condition of a blast furnace, according to an embodiment, comprises the steps of: obtaining real-time acoustic data of an electric furnace from an acoustic sensor arranged adjacent to the electric furnace; generating a frequency image obtained by imaging the acoustic data by performing frequency time series analysis on the obtained acoustic data; extracting an acoustic pattern corresponding to a dissolution state of the electric furnace on the basis of the frequency image by using an artificial intelligence-based autoencoder; and generating an acoustic feature map from the acoustic pattern, the acoustic feature map obtained by visualizing the acoustic pattern in time series.
The present invention relates to an iron core of a transformer in which no-load loss is low. The iron core of a transformer comprises core sub-parts in which a plurality of steel sheets are stacked and which include coupling holes that pass through in the stacking direction, wherein the number of the coupling holes is two or less. A plurality of the core subparts are disposed in a direction crossing the stacking direction.
A non-magnetic austenitic stainless steel according to the present invention comprises, by wt%, 0.01-0.04% of C, Si in an amount of more than 0% and equal to or less than 1.0%, 0.5-1.2% of Mn, 16.0-22.5% of Cr, 9-11.5% of Ni, Mo in an amount of more than 0% and equal to or less than 1%, 0.2-1.5% of Cu, 0.01-0.25% of N, 0.001-0.005% of Ti, B in an amount of more than 0% and equal to or less than 0.003%, Al in an amount of more than 0% and equal to or less than 0.005%, and the balance of Fe and other inevitable impurities, and satisfies relations (1) and (2). Relation (1): 0 < 3×(Cr+Mo)+5×Si-65×(C+N)-2×(Ni+Mn)-28 ≤ 5 Relation (2): 1842+878×C-26.7×Si+1.21×Mn-58.6×Cr+48.1×Ni-63.4×Mo-283×Ti+58.5×Cu-75.4×Al+923×N ≤ 1296 (In relations (1) and (2), C, Si, Mn, Cr, Ni, Mo, Cu, N, Ti and Al represent the wt% of the respective elements.)
C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
26.
APPARATUS AND METHOD FOR CONTROLLING VEHICLE AND VEHICLE SYSTEM HAVING SAME
The present invention provides an apparatus and a method for controlling a vehicle and a vehicle system having same. According to an embodiment, the apparatus for controlling a vehicle comprises: a processor; and a storage medium storing instructions executable by the processor, wherein the processor is configured to execute the instructions to: determine a driving mode on the basis of traveling information of a vehicle; determine the shaft ratios of a plurality of motors included in the vehicle on the basis of the driving mode and a boundary speed; and drive the vehicle on the basis of the shaft ratios of the plurality of motors.
B60L 15/38 - Commande ou régulation des véhicules à plusieurs moteurs propulsés électriquement avec commande automatique
B60L 15/20 - Procédés, circuits ou dispositifs pour commander la propulsion des véhicules à traction électrique, p. ex. commande de la vitesse des moteurs de traction en vue de réaliser des performances désiréesAdaptation sur les véhicules à traction électrique de l'installation de commande à distance à partir d'un endroit fixe, de différents endroits du véhicule ou de différents véhicules d'un même train pour la commande du véhicule ou de son moteur en vue de réaliser des performances désirées, p. ex. vitesse, couple, variation programmée de la vitesse
27.
MARTENSITIC STAINLESS STEEL AND METHOD OF MANUFACTURING SAME
A martensitic stainless steel according to one embodiment of the present invention can be a martensitic stainless steel comprising, by wt%, 0.500-0.800% of carbon (C), 0.200-1.000% of silicon (Si), 0.300-1.000% of manganese (Mn), 0.001-0.500% of copper (Cu), 0.007-1.000% of nickel (Ni), 12.000-15.000% of chromium (Cr), 0.050-1.000% of molybdenum (Mo), 0.030-0.500% of vanadium (V), 0.003-0.100% of titanium (Ti), 0.020-1.000% of nitrogen (N), and the balance of iron (Fe) and inevitable impurities, wherein the value of carbide index relation (1) 327*[C]+25*[Si]-0.9*[Mn]+18*[Cu]+8.6*[Ni]+13.8*[Cr]+2.3*[Mo]+74*[V]+35*[Ti]-191*[N] is 425 or less.
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 32/00 - Alliages non ferreux contenant entre 5 et 50% en poids d'oxydes, de carbures, de borures, de nitrures, de siliciures ou d'autres composés métalliques, p. ex. oxynitrures, sulfures, qu'ils soient soient ajoutés comme tels ou formés in situ
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
28.
STAINLESS STEEL MATERIAL FOR DIFFUSION BONDING, AND MANUFACTURING METHOD AND DIFFUSION BONDING METHOD THEREFOR
One aspect of the present invention is to provide a stainless steel material having excellent diffusion bonding properties and a method for manufacturing same. In addition, another aspect of the present invention is to provide a method for diffusion bonding of the steel material capable of securing high strength and excellent low-temperature impact toughness.
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Jeong, Cheon-Woo
Kim, Ji-Won
Kim, Sung-Joong
Kim, Joon-Woo
Ryoo, Ho-Geun
Lee, Dong-Cheol
Jung, Suk-Yong
Song, Han-Dock
Ha, Chang-Ho
Park, Yun-Sung
Moon, Gun-Hyeok
Abrégé
The present invention provides an ammonia recovery device comprising: a first ammonia purification column for separating impurity gas from a mixed gas containing ammonia; a second ammonia purification column for separating a first residual impurity gas from the mixed gas that has passed through the first ammonia purification column; and a third ammonia purification column for separating a second residual impurity gas from the mixed gas that has passed through the second ammonia purification column.
A method for operating an electric furnace after pausing the operation thereof, according to the present disclosure, comprises: feeding pig iron, through a supplementary material feed port of the electric furnace, to deposit same underneath an electrode rod of the electric furnace while a roof of the electric furnace is closed; applying a high current to the electrode rod to melt the pig iron to produce a molten material; and introducing scrap into the molten material through a side opening of the electric furnace so as to melt the scrap.
The present invention provides a vehicle wheel disk comprising: a fixing unit; and a spoke unit extending radially outward from the fixing unit. The fixing unit comprises: a fixing body having a fixing hole formed through the center portion thereof; and multiple fastening portions formed in the fixing body and spaced apart from each other around the fixing hole to be fastened to an object to be fixed. When a virtual circle connecting the center portions of fastening holes of the fastening portions is referred to as a hole connection circle and when a portion surrounded by the hole connection circle, the spoke unit, and the fastening portions is referred to as a reference area, the fixing unit comprises a reference surface that is brought into contact with the object to be fixed in at least a partial area of the reference area when installed on the object to be fixed.
The present invention relates to a reduced iron producing facility and method and, more specifically, to a reduced iron producing facility and method for producing reduced iron by reducing a raw material. A reduced iron producing facility according to an embodiment of the present invention comprises: a reduction unit capable of producing reduced iron; a thermal decomposition unit capable of preparing hydrogen gas and solid carbon by thermally decomposing hydrocarbon-containing gas; and a connection unit connecting the reduction unit and the thermal decomposition unit so that at least a portion of exhaust gas discharged from the reduction unit can be supplied to the reduction unit together with the hydrogen gas prepared by the thermal decomposition unit.
C21B 13/00 - Fabrication de fer spongieux ou d'acier liquide par des procédés directs
C21B 5/00 - Fabrication de la fonte brute dans les hauts fourneaux
C01B 3/26 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par décomposition de composés organiques gazeux ou liquides d'hydrocarbures avec des catalyseurs
B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
33.
APPARATUS AND METHOD FOR CONTROLLING VEHICLE AND VEHICLE SYSTEM INCLUDING SAME
The present invention provides an apparatus and method for controlling a vehicle and a vehicle system including same. An embodiment provides an apparatus for controlling a vehicle, the apparatus comprising a processor and a storage medium storing instructions executable by the processor. By executing the instructions, the processor is configured to: measure the speed of the vehicle; determine an axle ratio of the vehicle on the basis of the speed of the vehicle and a preset boundary speed; and drive the vehicle on the basis of the axle ratio.
B60L 15/20 - Procédés, circuits ou dispositifs pour commander la propulsion des véhicules à traction électrique, p. ex. commande de la vitesse des moteurs de traction en vue de réaliser des performances désiréesAdaptation sur les véhicules à traction électrique de l'installation de commande à distance à partir d'un endroit fixe, de différents endroits du véhicule ou de différents véhicules d'un même train pour la commande du véhicule ou de son moteur en vue de réaliser des performances désirées, p. ex. vitesse, couple, variation programmée de la vitesse
The present invention relates to a buffer tank provided in an air conditioning system of a data center, and a distributor provided in the buffer tank. There may be provided: a distributor that can prevent destruction of a water-temperature stratification layer; and a buffer tank equipped with same.
F28D 20/00 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou
F28F 27/00 - Commandes ou dispositifs de sécurité spécialement adaptés pour les appareils d'échange ou de transfert de chaleur
H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
The present invention relates to a buffer tank provided in an air conditioning system of a data center, and a distributor provided in the buffer tank, and may provide: a distributor which can prevent breakdown of a temperature-separated layer; and a buffer tank equipped with same.
F28D 20/00 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou
F28F 27/00 - Commandes ou dispositifs de sécurité spécialement adaptés pour les appareils d'échange ou de transfert de chaleur
H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
The present invention relates to: a buffer tank provided in an air conditioning system of a data center; and a distributor provided in the buffer tank. A distributor capable of preventing the destruction of a thermocline and a buffer tank having same may be provided.
F28D 20/00 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou
F28F 27/00 - Commandes ou dispositifs de sécurité spécialement adaptés pour les appareils d'échange ou de transfert de chaleur
H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
The present invention relates to a buffer tank installed in an air conditioning system of a data center and a distributor provided in the buffer tank. The buffer tank comprises: a case that has a first space formed therein and an inlet through which fluid flows into the first space from the outside, wherein a first surface, which is one of the surfaces surrounding the first space, is at least partially open; a first wall portion that covers the open first surface and has a plurality of first through-holes; and a second wall portion that is formed, inside the case, in a direction intersecting the first surface, and divides the first space into a first region and a second region. The first region is a region surrounded by the second wall portion, and the second region is a region outside the second wall portion. Accordingly, the present invention provides the effect of preventing the destruction of a thermocline and thus sufficiently satisfying the time required for stratification.
The present invention relates to a buffer tank provided in an air conditioning system of a data center and a distributor provided in the buffer tank. The present invention may provide a distributor capable of preventing destruction of a water temperature separation layer and a buffer tank comprising same.
F28D 20/00 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou
F28F 27/00 - Commandes ou dispositifs de sécurité spécialement adaptés pour les appareils d'échange ou de transfert de chaleur
H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
39.
SHAPED PART MANUFACTURED FROM SOFT MAGNETIC IRON-BASED POWDER AND MANUFACTURING METHOD THEREOF
According to the present invention, provided are a shaped part manufactured by sintering soft magnetic iron-based powder, and a manufacturing method thereof. According to an embodiment of the present invention, provided is a shaped part manufactured by sintering soft magnetic iron-based powder, wherein 90% or more of the soft magnetic iron-based powder has an average particle size of 150 to 400 ㎛, and 10% or less of the soft magnetic iron-based powder has an average particle size of 50 ㎛ or less. The shaped part may be a stator core of a linear motor.
H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
H01F 1/147 - Alliages caractérisés par leur composition
H01F 1/22 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de particules, p. ex. de poudre comprimées, frittées ou agglomérées
B22F 3/16 - Compactage et frittage par des opérations successives ou répétées
B22F 1/16 - Particules métalliques revêtues d'un non-métal
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
The present invention provides an apparatus and a method for sealing a coke oven door in order to prevent gas leakage. Provided in one embodiment is the apparatus for sealing a coke oven door, comprising: a sealing material supply unit including a nozzle for discharging a sealing material; a robot which is connected to the sealing material supply unit, and which includes a robot arm for moving the position of the nozzle and a base for supporting the robot arm; a moving unit for moving the robot in the horizontal direction in which a plurality of coke ovens are arranged, and in the vertical direction which is the longitudinal direction of the plurality of coke ovens; and a control unit for controlling the robot arm.
The invention relates to a method for controlling the rapid cooling through contact with a liquid of a section (S) of a strip (1), comprising means for measuring the temperature and the shape of the strip, and a thermal predictive model coupled to a metallurgical predictive model, both of which are coupled to a thermomechanical predictive model, and the real-time adjustment of the control parameters of the line in order to achieve an overall thermomechanical stress amplitude in the strip that is lower than a predefined limit value (Lσ).
According to the present invention, it is possible to provide a steel wire for a spring, the steel wire containing, in wt%, 0.57-0.69% of C, 1.5-2.0% of Si, 0.2-1.0% of Mn, 0.7-1.3% of Cr, 0.05-0.26% of Mo, 0.015% or less of P, and 0.020% or less of S, with the remainder comprising Fe and inevitable impurities, wherein the microstructure of the steel wire includes 9-30% of retained austenite in terms of area fraction and the grain size of the retained austenite is 2.9 µm or less.
C22C 38/34 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de silicium
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
43.
COLD-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING SAME
One aspect of the present invention provides a cold-rolled steel sheet and a method of manufacturing same. A preferred aspect of the present invention provides: an ultra-high strength cold-rolled steel sheet having a tensile strength of at least 1670 MPa and excellent bending properties, hydrogen embrittlement resistance, and corrosion resistance; and a method of manufacturing same.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
44.
STEEL WIRE ROD, STEEL WIRE AND MANUFACTURING METHOD THEREOF
A steel wire according to an embodiment of the present invention comprises, by wt%: 0.1-0.5% of carbon (C), 0.01-0.6% of silicon (Si), 0.6-1.6% of manganese (Mn), 0.01-1.4% of chromium (Cr), more than 0% and not more than 0.02% of nitrogen (N); at least one selected from the group consisting of 0.01-0.06% of aluminum (Al), 0.005-0.03% of niobium (Nb), 0.001-0.03% of titanium (Ti), or 0.01-0.3% of vanadium (V); and the remainder of iron (Fe) and inevitable impurities. A microstructure of the steel wire includes ferrite and pearlite, and the ferrite has an average grain size of 3 ㎛ or less, a uniform elongation of 3.5% or more, and a yield ratio of 90% or more.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C22C 38/24 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du vanadium
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
B21B 1/16 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer du fil métallique ou un matériau semblable de petite section
B21C 23/08 - Fabrication de fils, de barres, de tubes
According to the present invention, there may be provided a copper plated austenitic stainless steel coil comprising: an austenitic stainless steel coil base material; and a copper plating layer provided on the outer surface of the base material, wherein the copper plating layer has an average thickness of 1-100 mu or less, and a ratio of the average thickness of the copper plating layer to the average thickness of the austenitic stainless steel coil base material is 0.2 or less.
The present invention relates to a unit battery shredded material, a battery shredded material including same, and a battery processing method. The unit battery shredded material is for recovering valuable metal from a waste battery, wherein the unit battery shredded material has a layered structure including a separation film in which a cathode or an anode is stacked on at least one surface thereof, and satisfies conditions 1 to 3 in the present specification.
The present disclosure relates to a hot press formed part having improved hydrogen embrittlement resistance. Specifically, the hot press formed part comprises: a base steel sheet; and a plating layer on at least one surface of the base steel sheet, the hot press formed part including a nanovoid region in which a nano Kirkendall void having an equivalent circular diameter of 5 nm to 100 nm with respect to a thickness-direction cross-section is positioned.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Jung, Suk-Yong
Jeong, Cheon-Woo
Park, Seoung-Woong
Kim, Joon-Woo
Abrégé
An apparatus for producing molybdenum oxyhalide according to one aspect of the present invention comprises a reaction zone to which a halogen-containing gas is supplied, wherein a raw material containing molybdenum oxide is transferred so as to pass through the reaction zone, and molybdenum oxyhalide is produced.
B01J 8/08 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés avec des particules mobiles
B01J 8/10 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés avec des particules mobiles mues par des agitateurs ou par des tambours rotatifs ou par des récipients tournants
B01J 19/08 - Procédés utilisant l'application directe de l'énergie ondulatoire ou électrique, ou un rayonnement particulaireAppareils à cet usage
B01J 19/20 - Réacteurs fixes avec éléments internes mobiles en forme d'hélice, p. ex. réacteurs à vis
C23C 16/14 - Dépôt d'un seul autre élément métallique
50.
COLD ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
The present invention relates to a cold rolled steel sheet and a manufacturing method therefor, and more specifically to a high-strength cold rolled steel sheet having an excellent elongation rate and hole expansion ratio, and a manufacturing method therefor.
The present invention relates to a formed member used in parts such as automotive structural members and reinforcements, and to a method for manufacturing same.
The present invention relates to steel suitable for automobile chassis components and, more specifically, to a high yield ratio type hot-rolled steel sheet having ultra-high strength and excellent hole expandability, and a manufacturing method thereof.
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
53.
COLD-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING SAME
One aspect of the present invention is to provide a cold-rolled steel sheet and a method of manufacturing same. A preferred aspect of the present invention is to provide an ultra-high strength cold-rolled steel sheet and a method of manufacturing same, the ultra-high strength cold-rolled steel sheet having a tensile strength of 1470 MPa or higher and also having an excellent shape and excellent phosphate treatability.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
54.
COATED STEEL SHEET FOR HOT FORMING AND METHOD OF MANUFACTURING SAME AND MANUFACTURING METHOD OF HOT PRESS FORMED MEMBER
One aspect of the present invention provides a coated steel sheet for hot forming, a method of manufacturing same, and a manufacturing method of a hot press formed member. One preferred aspect of the present invention provides a coated steel sheet for hot forming, a method of manufacturing same, and a manufacturing method of a hot press formed member, wherein productivity is excellent and it is possible to reduce manufacturing costs.
C23C 2/00 - Procédés de trempage à chaud ou d'immersion pour appliquer le matériau de revêtement à l'état fondu sans modifier la forme de l'objet immergéAppareils à cet effet
H05B 6/00 - Chauffage par champs électriques, magnétiques ou électromagnétiques
The present invention relates to a steel sheet and a manufacturing method thereof and, more specifically, to a steel sheet having excellent resistance to the initiation of ultra-low temperature brittle cracking and a manufacturing method thereof.
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
56.
STEEL WIRE ROD AND STEEL WIRE HAVING EXCELLENT HYDROGEN EMBRITTLEMENT RESISTANCE AND MANUFACTURING METHOD THEREFOR
The present invention relates to a wire rod and a steel wire, both having excellent hydrogen embrittlement resistance, and a manufacturing method therefor and, more specifically, to a wire rod having excellent hydrogen embrittlement resistance and comprising, by weight%, C: 0.20-0.40%, Si: 0.20-0.50%, Mn: 0.50-1.00%, Ti: 0.050-0.100%, S: 0.030-0.080%, and the balance of Fe and inevitable impurities, wherein an atomic ratio (Ti/S) of Ti and S satisfies the following formula (1), and when a diameter of the wire rod is D, a microstructure in a region of 1/2D to 3/2D of a cross section of the wire rod includes 20 to 30% by area fraction of ferrite and the balance of pearlite. Formula (1): 0.5 ≤ (Ti weight)/(Ti mass) / (S weight)/(S mass) ≤ 1.8
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
C21D 1/667 - Dispositifs pour trempe pour la trempe par pulvérisation
A wire according to an embodiment of the present invention comprises, based on wt%, 0.60-1.00% of C, 0.1-0.4 of Si, and 0.2-0.6% of Mn, and the remainder of Fe and other impurities, in which a microstructure comprises, by area fraction, 98% or more of pearlite and 2% or less of proeutectoid cementite, and an average lamellar spacing may be 0.230-0.350 ㎛.
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
58.
STEEL WIRE ROD, STEEL WIRE, AND METHODS OF MANUFACTURING SAME
Disclosed are a steel wire rod, a steel wire, and methods of manufacturing same. The steel wire rod according to the present invention contains: 0.60-1.00% of C, 0.1-0.4% of Si, 0.2-0.6% of Mn, 0.3% or less (including 0%) of Cr, and the balance being Fe and other inevitable impurities, with a microstructure including pearlite, and has an average lamellar spacing L (unit: ㎛) controlled to fall within a specific range with respect to the carbon equivalent (Ceq).
C22C 38/18 - Alliages ferreux, p. ex. aciers alliés contenant du chrome
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
B21B 1/16 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer du fil métallique ou un matériau semblable de petite section
B21C 47/04 - Enroulement ou bobinage sur ou dans des bobines ou des tambours, sans utiliser de guide mobile
59.
COLD-ROLLED STEEL SHEET, ZN-PLATED STEEL SHEET AND METHODS FOR MANUFACTURING SAME
The present invention relates to steels that are suitable as automobile exterior materials and, more specifically, to a cold-rolled steel sheet, a ZN-plated steel sheet obtained by galvanizing the cold-rolled steel sheet, and methods for manufacturing same.
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/16 - Alliages ferreux, p. ex. aciers alliés contenant du cuivre
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
The present invention relates to a material used for vehicle interior panels, reinforcing materials, and the like and, more specifically, to a high-strength steel sheet having excellent material uniformity and a manufacturing method thereof.
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
One aspect of the present invention provides a plated steel sheet. The plated steel sheet comprises: a base steel sheet; and a plating layer formed on at least one surface of the base steel sheet, wherein the base steel sheet contains, in wt%, 0.05-0.25% of carbon (C), 0.001-0.6% of silicon (Si), 1.2-3.0% of manganese (Mn), 0.001-1.0% of aluminum (Al), 0.0001-0.05% of phosphorus (P), 0.0001-0.05% of sulfur (S), and 0.0001-0.02% of nitrogen (N), with the remainder comprising Fe and inevitable impurities, the microstructure of the base steel sheet includes 65-90 area% of a first phase containing bainitic ferrite, the microstructure of the base steel sheet includes 10-35 area% of a second phase containing a tempered martensite-austenite composite phase (TMA phase) and at least one among tempered low-temperature bainite and tempered lath martensite, and the area fraction of the tempered martensite-austenite composite phase relative to the total area fraction of the microstructure may be less than 3 area%.
The present invention relates to a method for manufacturing a thick steel plate having a heavy unit weight, wherein the thick steel plate has a unit weight of 30 tons or more and can be formed into a shape forming at least part of a desired structure. The method comprises the steps of: s1) using at least two thick steel plates that each have a unit weight of 25 tons or less and a thickness (t0) of 60 mm or more and have a grooved end, and arranging the steel plates so that the grooved ends face each other, thereby forming a joint having a groove; s2) performing tack welding to fix the joint; s3) performing first arc welding along the groove; s4) forming a back-surface groove, along the joint, on a back surface opposite a front surface, which is the surface on which the first arc welding was performed; and s5) performing secondary arc welding along the back-surface groove.
The present invention relates to: steel that can be used for a wind power generator having a monopile or jacket structure; and a method for manufacturing same.
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
According to exemplary embodiments of the present invention, provided is an ultra-high strength steel plate having improved formability. According to other exemplary embodiments of the present invention, provided is a method for manufacturing the ultra-high strength steel plate having improved formability.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
Disclosed are hot-rolled steel sheet and hot-rolled plated steel sheet with high-strength, and a manufacturing method thereof, the hot-rolled steel sheet and hot-rolled plated steel sheet being high strength to be suitable as material for high-strength structural supports, and allowing reduction in the rolling load of hot-rolling finish. A hot-rolled steel sheet according to the present invention contains, in wt%, 0.03-0.1% of C, 0.1% or less of Si, 0.8-1.4% of Mn, 0.03-0.08% of Ti, 0.02% or less of P, 0.02% or less of S, and 0.01% or less of N, with the remainder comprising Fe and inevitable impurities, and satisfies relational expression 1. Relational expression 1: 3 ⅹ ([Mn] - 1.2)2+ 1200 ⅹ ([Ti] - 0.06)2+ 0.0004 ⅹ (coiling temperature (°C) - 630)2 ≤ 1.0 (In relational expression 1, [ ] indicates the wt% of each element.)
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
The present invention relates to a cold-rolled steel sheet and a manufacturing method therefor and, more specifically, to a cold-rolled steel sheet and a manufacturing method therefor, wherein the cold-rolled steel sheet is suitable for use as a material for components requiring highly complex forming, such as outer panels, e.g., vehicle side outers and the like. A preferred aspect of the present invention is to provide a cold-rolled steel sheet having excellent formability and excellent material anisotropy so as to be uniformly deformed in all directions, and a manufacturing method therefor.
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
HOT-PRESS-FORMED MEMBER, HOT-PRESS-FORMED PARTS, AND METHODS FOR MANUFACTURING SAME, AND FORMING DEVICE, FORMING METHOD, BRACKET FOR BATTERY CASE, AND BATTERY PACK MODULE
The purpose of the present invention is to provide a hot-press-formed member having excellent coating-corrosion resistance and a method for manufacturing same, the hot-press-formed member comprising a base steel and an aluminum-based alloy plated layer, wherein the base steel comprises, by wt%, 0.015-0.10% of Sb, and the aluminum-based alloy plated layer comprises an intermediate layer and an outermost layer positioned on the upper portion of the intermediate layer.
A hot rolled steel sheet, and a method for manufacturing same are provided. The hot rolled steel sheet of the present invention comprises, by wt%, 0.02-0.09% of C, 1.0% or less of Si, 0.3-2.0% of Mn, 0.4-2.0% of Cr, 1.0% or less of Cu, 1.0% or less of Ni, 0.1% or less of Al, 0.02-0.1% of Nb, 0.01-0.1% of Ti, 0.03% or less of P, 0.02% or less of S, 0.015% or less of N and the balance of Fe and inevitable impurities, and satisfies Nb+Ti≤0.12, wherein the microstructure of the steel sheet comprises ferrite or bainite as a main phase and contains the balance (less than 20 area%) of other structures, the weathering index defined by the relation is 6.0 or more, the yield strength, at 30° with respect to the rolling direction, of the steel sheet is 450 MPa or more, and the -5°C impact absorption energy, at 120° with respect to the rolling direction, of the steel sheet, is 47 J or more.
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
69.
COLD ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
One aspect of the present invention is to provide a cold rolled steel sheet and a method for manufacturing same. Another aspect of the present invention is to provide an ultra high strength cold rolled steel sheet having excellent hydrogen embrittlement resistance, and a method for manufacturing same.
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/34 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de silicium
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
70.
COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
The objective of the present invention is to provide a cold-rolled steel sheet and a method for manufacturing same, the cold-rolled steel sheet having, when a steel sheet for a vehicle is manufactured by recycling iron scrap, high strength and high formability even if containing residual elements.
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
71.
HOT-ROLLED STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
Provided are a hot-rolled steel sheet and a method for manufacturing same. The present invention provides a hot-rolled steel sheet and a method for manufacturing same, the hot-rolled steel sheet satisfying a core section hardness of 40-50 HrC and having excellent bendability (the bending radius at which surface ridges do not form during 90° bending/steel sheet thickness ratio is low).
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C22C 38/24 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du vanadium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
72.
HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
The present invention relates to a hot-rolled steel sheet used in frames, structures, etc. and, to a hot-rolled steel sheet that ensures high hardness, strength, and excellent processing characteristics, and a method for manufacturing same.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
73.
COLD-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
The present invention relates to a cold rolled steel sheet and a manufacturing method therefor and, more particularly, to a high-strength cold rolled steel sheet having excellent hardness and ductility, and a manufacturing method therefor.
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
74.
ELECTRODE MATERIAL FOR SELF-BAKING ELECTRODE AND MANUFACTURING METHOD THEREOF
Disclosed are an electrode material for a self-baking electrode and a manufacturing method thereof. The method for manufacturing an electrode material for a self-baking electrode according to an embodiment of the present invention, which is a manufacturing method for an electrode material for forming a self-baking electrode, includes: a preparation step of preparing an aggregate mainly composed of carbon; an antioxidant treatment step of coating the surface of the prepared aggregate with an antioxidant; a mixing step of mixing the antioxidant-treated aggregate with binder pitch; and a molding step of molding the mixture of the carbon aggregate and binder pitch into a predetermined shape.
C04B 35/52 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite
C04B 35/622 - Procédés de mise en formeTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques
Disclosed are a camber adjustment device of a prefabricated truss bridge and a prefabricated truss bridge having same. According to one aspect of the present invention, a camber adjustment device of a prefabricated truss bridge formed by assembling truss panels, including upper members, lower members, vertical members, and diagonal members, in one direction may be provided, the camber adjustment device including connection members that are provided at both ends of the upper members and lower members and connect the upper members and lower members to the neighboring upper members and lower members, wherein the connection members can be adjusted in length from both ends of the upper members and lower members by a length adjustment means.
Disclosed are a height-variable truss panel and a prefabricated truss bridge having same. According to one aspect of the present invention, provided is a height-variable truss panel comprising: an upper member that has a certain length and includes lower connectors formed at regular intervals on a lower portion; a lower member that has a certain length and includes upper connectors formed at regular intervals on an upper portion; and a plurality of intermediate members which are provided between the upper member and the lower member and connected and fixed at both ends to the lower connectors of the upper member and the upper connectors of the lower member, wherein the intermediate members can be varied in length to adjust the distance between the upper member and the lower member.
COMPOSITION FOR SURFACE-TREATING PLATED STEEL SHEET FOR HOT-PRESS FORMING, AL-BASED PLATED STEEL SHEET SURFACE-TREATED USING SAME, METHOD FOR MANUFACTURING SAME, AND HOT-PRESS-FORMED MEMBER
The present invention relates to a plated steel sheet for hot-press forming, suitable for automobile materials and, more specifically, to a composition for surface-treating the plated steel sheet for hot-press forming, and a plated steel sheet that is surface-treated using the composition, and a method for manufacturing same. In addition, provided is a hot-press-formed member obtained using the surface-treated plated steel sheet.
C09D 133/00 - Compositions de revêtement à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesCompositions de revêtement à base de dérivés de tels polymères
B05D 7/00 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers
Disclosed is a hot-rolled steel sheet for a vacuum train tube, which is excellent in terms of yield strength, weldability, low-temperature toughness of a welded part, and a vibration damping ratio, while having no hot cracks. The hot-rolled steel sheet according to the present invention comprises, in weight%, C: 0.06% or less (more than 0%), Si: 0.5-1.5%, Mn: 1.2-2.2%, Cu: 0.5-1.5%, Ni: 0.25% or more, Ti+Nb+V: 0.02% or less (including 0%), and the balance being Fe and inevitable impurities.
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/16 - Alliages ferreux, p. ex. aciers alliés contenant du cuivre
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
The present invention relates to a high-strength austenitic stainless steel having excellent low-temperature toughness and a manufacturing method therefor and, more specifically, to a high-strength austenitic stainless steel and a manufacturing method therefor, the high-strength austenitic stainless steel comprising, in weight%, C: 0% (exclusive) to 0.10% (inclusive), Si: 0% (exclusive) to 1.5% (inclusive), Cr: 17.0% to 23.0%, Ni: 5.5% to 12.0%, Mn: 0.5% to 8.0%, N: 0.10% to 0.30%, Cu: 0% (exclusive) to 1.0% (inclusive), and the balance being Fe and other inevitable impurities, with a content of precipitate of less than 0.001 wt%, and has a Ni equivalent value of 27 or more as defined by equation (1). Equation (1): Ni equivalent = Ni+0.65Cr+0.98Mo+1.05Mn+0.35Si+12.6C+33.6N
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
80.
HIGH-STRENGTH STAINLESS STEEL HAVING EXCELLENT FORMABILITY AND METHOD FOR MANUFACTURING SAME
The present invention relates to a method for manufacturing a high-strength stainless steel having excellent formability. More specifically, the present invention relates to: a stainless steel containing, in wt%, 0.01-0.10% of C, 0.01-0.10% of N, 0.01-1.00% of Si, 0.01-3.00% of Mn, 10.0-20.0% of Cr, and 0.001-1.000% of Al, with the remainder comprising Fe and inevitable impurities, wherein the microstructure is composed of a dual phase of ferrite and martensite, the room temperature yield strength is at least 350 MPa, the room temperature tensile strength is at least 500 MPa, and the R-bar value based on Equation (1) is at least 1.0; and a method for manufacturing the stainless steel. Equation (1): R-bar = (R0 + 2×R45 + R90)/4 (where, R0 represents the R value in a direction parallel to the rolling direction, R45 represents the R value in a direction at a 45-degree angle to the rolling direction, and R90 represents the R value in a direction at a 90-degree angle to the rolling direction)
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
81.
HOT-DIP ZN-MG-AL-BASED COATED STEEL SHEET AND METHOD OF MANUFACTURING SAME
One aspect of the present invention is to provide hot-dip Zn-Mg-Al-based coated steel sheet and a manufacturing method thereof. A preferred aspect of the present invention is to provide a hot-dip Zn-Mg-Al-based coated steel sheet having excellent plating adhesiveness, and a manufacturing method thereof.
C23C 2/02 - Pré-traitement du matériau à revêtir, p. ex. pour le revêtement de parties déterminées de la surface
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
82.
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
A non-oriented electrical steel sheet according to an embodiment of the present invention contains, in wt%, 2.6-4.5% of Si, 0.0005-2.5% of Al, 0.05-2.5% of Mn, 0.0051-0.0100% of S, and 0.0002-0.0100% of Ca, with the remainder comprising Fe and inevitable impurities.
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
83.
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
A non-oriented electrical steel sheet according to an embodiment of the present invention contains, in wt%, 1.5-5.0% of Si, 0.1-2.0% of Al, and 0.1-2.0% of Mn, with the remainder comprising Fe and inevitable impurities, and satisfies Expression 1 below. [Expression 1] V{001}<001>/V{011}<001> ≤ 0.65 (In Expression 1, V{001}<001> represents the fraction of crystal grains having an orientation within 15° of {001}<001>, and V{011}<001> represents the fraction of crystal grains having an orientation within 15° of {011}<001>.)
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
84.
NICKEL-PLATED STEEL SHEET FOR CANS AND MANUFACTURING METHOD THEREOF
A Ni-plated steel sheet for cans according to an embodiment of the present invention comprises: a base steel sheet; a Ni plating layer disposed on one surface or both surfaces of the base steel sheet; and an Fe-Ni alloy layer disposed between the base steel sheet and the Ni plating layer, wherein the base steel sheet contains, in wt%, 0.02-0.07% of C, 0.1-0.4% of Mn, 0.01-0.06% of Al, and 0.02-0.06% of Ti, with the remainder comprising Fe and inevitable impurities, the ASTM grain size number is at least 11.3, the tensile strength is at least 420 MPa, the elongation is at least 20%, the in-plane anisotropy Δr is at most 0.4, and the thickness of the Fe-Ni alloy layer is 0.5-2.5 µm.
A non-oriented electrical steel sheet according to an embodiment of the present invention contains, in wt%, 1.5-5.0% of Si, 0.1-2.0% of Al, 0.1-2.0% of Mn, 0.001-0.08% of Sn, 0.001-0.08% of Sb, and 0.0002-0.0007% of B, with the remainder comprising Fe and inevitable impurities, wherein, when the content of elements is measured in a surface region, extending 0.3-1 µm from the surface toward the inside of the steel sheet, along the thickness direction of the steel sheet, the weight ratio of the maximum Si content to the maximum Al content is 25 or less.
A non-oriented electrical steel sheet according to an embodiment of the present invention comprises, in weight %: 1.5-5.0% of Si; 0.1-2.0% of Al; and 0.1-2.0% of Mn, the remainder being Fe and inevitable impurities, and has a {001}<100> orientation strength, expressed as an orientation distribution function (ODF), of 3.0 or more, and a {011}<100> orientation strength that is greater than the {001}<100> orientation strength.
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
87.
COOLING COMPOSITION FOR ZINC ALLOY PLATED STEEL SHEET, METHOD FOR MANUFACTURING ZINC ALLOY PLATED STEEL SHEET USING SAME, AND ZINC ALLOY PLATED STEEL SHEET PRODUCED BY SAME
One aspect of the present invention provides a method for manufacturing a zinc alloy plated steel sheet. The method comprises the steps of: preparing a base steel sheet; plating the base steel sheet by dipping same in a Zn-based plating bath comprising Al and Mg; adjusting the plating adhesion amount of the base steel sheet; and spraying droplets of a cooling composition onto the steel sheet having the plating adhesion amount adjusted, thereby cooling the steel sheet, wherein the cooling composition may comprise 0.1 to 10.0 wt% of urea and the balance of water.
C23C 2/00 - Procédés de trempage à chaud ou d'immersion pour appliquer le matériau de revêtement à l'état fondu sans modifier la forme de l'objet immergéAppareils à cet effet
88.
STEEL MATERIAL FOR POLYMER FUEL CELL SEPERATOR AND METHOD FOR MANUFACTURING SAME
The present invention relates to a steel material for a polymer fuel cell separator and a method for manufacturing same. The steel material for a polymer fuel cell separator comprises: a steel material from which an oxide film is removed; and a carbon coating layer formed on the surface of the steel material, wherein the carbon coating layer contains 90 wt % or more of graphite having a SP2 bond, and has excellent conductivity and oxidation resistance.
H01M 8/0228 - Composites sous forme de produits en couches ou enrobés
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C23C 14/06 - Revêtement par évaporation sous vide, pulvérisation cathodique ou implantation d'ions du matériau composant le revêtement caractérisé par le matériau de revêtement
The present invention relates to a cold-rolled steel sheet and a method for manufacturing same and, more specifically, to a cold-rolled steel sheet having excellent surface quality and a method for manufacturing same.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/34 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de silicium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C23C 22/07 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses acides d'un pH < 6 contenant des phosphates
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C23C 2/04 - Procédés de trempage à chaud ou d'immersion pour appliquer le matériau de revêtement à l'état fondu sans modifier la forme de l'objet immergéAppareils à cet effet caractérisé par le matériau de revêtement
90.
COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
The present invention relates to a cold-rolled steel sheet and a method for manufacturing same and, more specifically, to a high-strength cold-rolled steel sheet having excellent moldability and a method for manufacturing same.
The present invention relates to a cold-rolled steel sheet and a manufacturing method thereof and, more specifically, to an ultra-high strength cold-rolled steel sheet having excellent bendability and hydrogen embrittlement resistance, and a manufacturing method thereof.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C22C 38/24 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du vanadium
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
The present invention relates to a steel sheet that is suitable for various uses including in automobile parts and, more specifically, to a steel sheet and a manufacturing method thereof.
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
93.
COLD-ROLLED STEEL SHEETS AND PLATED STEEL SHEETS, AND METHOD FOR MANUFACTURING SAME
The present invention relates to steel sheets suitable for a variety of uses including automobile parts, more specifically to cold-rolled steel sheets and plated steel sheets containing residual elements and having good hole expansion ratio and plating adhesiveness, and to a manufacturing method thereof.
One aspect of the present invention is that a cold rolled steel sheet and a method for manufacturing same are to be provided. One advantageous aspect of the present invention is that an ultra-high strength cold rolled steel sheet and a method for manufacturing same are to be provided, the cold rolled steel sheet having a tensile strength of 1470 MPa or higher and excellent bending properties, spot weldability, and corrosion resistance while having excellent formability.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
95.
WIRE ROD, STEEL WIRE AND METHOD FOR MANUFACTURING SAME
A wire rod according to an embodiment of the present invention comprises, by wt%, 0.94-1.04% of C, 0.9-1.5% of Si, 0.2-0.8% of Mn, 0.2-0.8% of Cr, 0.020-0.105% of Al, 0.0021-0.0205% of N, 2.00-11.00% of Al/N, and the remainder of Fe and other inevitable impurities. A method for manufacturing a wire rod, according to another embodiment of the present invention, comprises the steps of: preparing a billet comprising, by wt%, 0.94-1.04% of C, 0.9-1.5% of Si, 0.2-0.8% of Mn, 0.2-0.8% of Cr, 0.021-0.102% of Al, 0.0021-0.0205% of N, 2.00-11.00% of Al/N, and the remainder of Fe and other inevitable impurities; reheating and hot-rolling the billet; coiling at Acm-80°C to 760°C; cooling from the coiling temperature to 650-620°C, which is the pearlite transformation entry temperature, at 10-20°C/s; and setting and maintaining the conveyor speed at 0.30 m/s or less for 200 seconds or longer for the interval from the cooling temperature to 600-560°C.
C22C 38/18 - Alliages ferreux, p. ex. aciers alliés contenant du chrome
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
B21F 7/00 - Torsion des fils métalliquesTorsion de plusieurs fils ensemble
C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
96.
VIBRATION-DAMPING STEEL SHEET AND MANUFACTURING METHOD THEREFOR
The present invention relates to a vibration-damping steel sheet having excellent vibration-damping performance even at room temperature and a method for manufacturing a vibration-damping steel sheet having improved productivity.
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 38/00 - Opérations auxiliaires liées aux procédés de stratification
The present invention relates to a steel sheet suitable as a material for a vehicle structural member and the like, and, more specifically, to a high-strength composite structure steel sheet with a tensile strength of 780 MPa or higher, and a method for manufacturing same.
C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
98.
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
5㎛MAXMAX5㎛5㎛) is 5.0 or less, and the number of Al aggregates having a particle diameter of 500 nm or more in a region from the surface of the steel sheet to 5 μm inward is 5 or less per 100 μm length of the steel sheet.
MAX5µmMAX5µm5µm, which is the Al content at the point 5 µm inside the steel sheet from the surface of the steel sheet, is 4.0 or less, and the number of ridges having a width of at least 2 mm and a length of at least 10 mm is 5 or less per 300 mm x 300 mm area.
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/16 - Alliages ferreux, p. ex. aciers alliés contenant du cuivre
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
100.
HOT-DIP GALVANIZED STEEL SHEET AND METHOD OF MANUFACTURING SAME
One aspect of the present invention is to provide a hot-dip galvanized steel sheet and a method of manufacturing same. One preferred aspect of the present invention is to provide a high-strength hot-dip galvanized steel sheet having excellent plated appearance and plating adhesiveness, and a manufacturing method therefor.
B21B 1/22 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer des bandes ou des feuilles en longueurs indéfinies
B21B 3/02 - Laminage des alliages ferreux particuliers
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés